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Uninsured

Data and analysis

The coverage gap exists because some states did not expand Medicaid under the ACA to cover adults under age 65 without dependent children with incomes at/below 138% of the federal poverty level (FPL)

How Many Uninsured Are in the Coverage Gap?

An estimated 1.4 million uninsured individuals in the 10 states without Medicaid expansion, including many working adults, people of color, and those with disabilities, remain in the "coverage gap," ineligible for Medicaid or for ACA tax credits that would make coverage affordable.

The Uninsured and Health Coverage

This Health Policy 101 chapter examines the share of the United States population who are uninsured, highlighting their demographics and the challenges they face because of the lack of coverage.

Key Facts on Health Coverage of Immigrants

This fact sheet provides an overview of health coverage for immigrants based on data from the 2023 KFF/LA Times Survey of Immigrants. As of 2023, half of likely undocumented immigrant adults and one in five lawfully present immigrant adults reported being uninsured.

New and noteworthy

Affordability Is the Issue Now, But Look for the Uninsured to Make a Comeback

A new column on the uninsured from President and CEO Dr. Drew Altman explains: “The uninsured is not the most politically salient problem in health care now, that’s affordability, nor is it the non-problem some say it is. But it’s coming back. And the problem of the chronically ill uninsured is glaring.” Read more.

Key Facts about the Uninsured Population

The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF’s analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.

More on the uninsured population >>

Who was uninsured in 2024?

Latest Polling
9.8%

The share of people under age 65 without insurance
62%

The share of uninsured adults who said they were uninsured because coverage is not affordable
59%

The share of uninsured adults who said they or someone living with them had problems paying for health care
39%

The share of uninsured adults who reported delaying or not getting needed care or medication due to cost
Other key facts about the uninsured >>

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  • Covering the Low-Income Uninsured: Assessing the Alternatives

    Report

    This issue brief describes and analyzes expansions of Medicaid and SCHIP, tax credits for individually-purchased insurance, and tax credits for employment-based health insurance as options to expand health coverage of the low-income population. Issue Paper

  • Racial/Ethnic Differences in Cardiac Care: The Weight of the Evidence

    Fact Sheet

    Numerous studies over the past two decades have documented racial and ethnic differences in care for heart conditions. To assess the quality of the evidence and to summarize the information for a physician audience, the Henry J. Kaiser Family Foundation collaborated with the American College of Cardiology Foundation to review the body of research on racial/ethnic differences in cardiac care. There is credible evidence that minority patients are less likely than white patients to receive…

  • Prescription Drug Discount Cards: Current Programs and Issues

    Report

    As policymakers consider a range of approaches to providing prescription drug coverage to the Medicare population in today s tight budgetary environment, one proposal that has been put forth by the Bush Administration is that of a Medicare-endorsed prescription drug discount card program. This report describes the range of existing discount card programs run by both private sponsors and state governments and provides background information on the implications of this approach to assisting Medicare beneficiaries…

  • A Side-by-Side Comparison of Selected Medicare Prescription Drug Coverage Proposals

    Report

    This document provides a side-by-side comparison of four major federal proposals under consideration to provide outpatient prescription drug coverage to Medicare beneficiaries. It begins with a summary table comparing key features of each proposal, followed by a detailed comparison of the following major proposals: Clinton/Moynihan (The Medicare Modernization Act), House-Passed Plan (The Medicare Rx 2000 Act), Breaux/Frist (The Medicare Prescription Drug and Modernization Act), and Graham/Bryan/Robb (The Medicare Outpatient Drug Act of 2000). Side-by-side

  • Comparison of Medi-Cal and Healthy Families Programs for Children in California

    Report

    A new side-by-side examination of California's Medicaid program (Medi-Cal) and CHIP program (Healthy Families) shows how these two low-income health coverage programs differ in structure, eligibility, enrollment process, service delivery and scope. This California case study helps to illustrate differences between Medicaid and CHIP. SIDE-BY-SIDE Download

  • Medicare Restructuring: The FEHBP Model – Report

    Report

    Medicare Restructuring: The FEHBP Model Executive Summary As policymakers consider measures to assure the long-range solvency of Medicare, one option that has received increasing attention is a "premium support" system. Under such a system beneficiaries would choose between the original Medicare fee-for-service program and a variety of competing health plans. They would receive a fixed government contribution toward the plan of their choice and would pay any remaining costs themselves. Proponents of a premium support…

  • The Medicare Program: Servicios De Salud Administrados Por Medicare

    Fact Sheet

    Panorama General: Medicare proporciona servicios de salud a casi 39 millones de norteamericanos, incluyendo aproximadamente a 34 millones de ancianos y a 5 millones de discapacitados. La gran mayoria de estas personas cubren sus gastos medicos directamente mediante el programa tradicional de "pago por servicio," mientras que el 15 porciento restante (mas de 5 millone de beneficiarios) estan cubiertos bajo algun plan de servicio medico contratado con Medicare, principalmente las organizaciones de administracion de la…

  • SCHIP Administration and Accountability

    Report

    The third in a series of reports on implementation issues and challenges in the first year of S-CHIP finds that non-Medicaid S-CHIP programs faced more administrative challenges. Success with enrollment appeared primarily related to administrative decisions, including a lower band of S-CHIP income eligibility, and the lack of premiums. REPORT Download